package io;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;

public class Test {
    public static void main(String[] args) throws IOException {
        File file=new File("C.jpg");
        FileOutputStream fos=new FileOutputStream(file);
        for (int i=0;i<26;i++){
            fos.write(97+i);

        }
        System.out.println("写出完毕");
        fos.close();

    }
}
